(grammar) a verb whose primary function is to express grammatical mood

Of, or relating to a mode or modus. / (grammar) Of, relating to, or describing the mood of a clause.

(logic) A modal proposition. / (linguistics) A modal form, notably a modal auxiliary. / (grammar) A modal verb.

(grammar) case to express ability, intention, necessity, obligation, permission, possibility, etc.

plural of modal verb

(music) A tonal scale used in most forms of Western music.

(grammar) A sequence of two modal verbs, such as "might could", an impossible construction in standard English, but one used in some dialects, especially Southern US English.

The use of double or stacked modals (or, rarely, triple modals), a phenomenon found in some dialects of English, especially Southern US English.

(rare, grammar) A double modal (or, rarely, any string of multiple modals, e.g. a triple modal).

(grammar) An adverb that qualifies a predicate with respect to way in which it is true.